Set TLS padding extension value.
[openssl.git] / ssl / ssl_lib.c
index ba9d921275b767ba02a59684e4dade7e8375a592..c6ca1379a0cc34fb0b843c97d877fe2e6c4a583c 100644 (file)
@@ -536,6 +536,16 @@ int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
        return X509_VERIFY_PARAM_set1(ssl->param, vpm);
        }
 
+X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx)
+       {
+       return ctx->param;
+       }
+
+X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl)
+       {
+       return ssl->param;
+       }
+
 void SSL_certs_clear(SSL *s)
        {
        ssl_cert_clear_certs(s->cert);
@@ -1186,8 +1196,10 @@ long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
                {
                switch (cmd)
                        {
+#ifndef OPENSSL_NO_EC
                case SSL_CTRL_SET_CURVES_LIST:
                        return tls1_set_curves_list(NULL, NULL, parg);
+#endif
                case SSL_CTRL_SET_SIGALGS_LIST:
                case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
                        return tls1_set_sigalgs_list(NULL, parg, 0);
@@ -1330,6 +1342,33 @@ STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
        return(NULL);
        }
 
+STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s)
+       {
+       STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers;
+       int i;
+       ciphers = SSL_get_ciphers(s);
+       if (!ciphers)
+               return NULL;
+       ssl_set_client_disabled(s);
+       for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++)
+               {
+               const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i);
+               if (!ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED))
+                       {
+                       if (!sk)
+                               sk = sk_SSL_CIPHER_new_null();
+                       if (!sk)
+                               return NULL;
+                       if (!sk_SSL_CIPHER_push(sk, c))
+                               {
+                               sk_SSL_CIPHER_free(sk);
+                               return NULL;
+                               }
+                       }
+               }
+       return sk;
+       }
+
 /** return a STACK of the ciphers available for the SSL and in order of
  * algorithm id */
 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
@@ -1447,7 +1486,6 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
        {
        int i,j=0;
        SSL_CIPHER *c;
-       CERT *ct = s->cert;
        unsigned char *q;
        int no_scsv = s->renegotiate;
        /* Set disabled masks for this session */
@@ -1460,9 +1498,7 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
                {
                c=sk_SSL_CIPHER_value(sk,i);
                /* Skip disabled ciphers */
-               if (c->algorithm_ssl & ct->mask_ssl ||
-                       c->algorithm_mkey & ct->mask_k ||
-                       c->algorithm_auth & ct->mask_a)
+               if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED))
                        continue;
 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
                if (c->id == SSL3_CK_SCSV)
@@ -1594,7 +1630,6 @@ int SSL_get_servername_type(const SSL *s)
        return -1;
        }
 
-# ifndef OPENSSL_NO_NEXTPROTONEG
 /* SSL_select_next_proto implements the standard protocol selection. It is
  * expected that this function is called from the callback set by
  * SSL_CTX_set_next_proto_select_cb.
@@ -1661,6 +1696,7 @@ int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsi
        return status;
        }
 
+# ifndef OPENSSL_NO_NEXTPROTONEG
 /* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
  * requested protocol for this connection and returns 0. If the client didn't
  * request any protocol, then *data is set to NULL.
@@ -1838,6 +1874,66 @@ void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
        else
                *len = ssl->s3->alpn_selected_len;
        }
+
+int SSL_CTX_set_cli_supp_data(SSL_CTX *ctx,
+                             unsigned short supp_data_type,
+                             cli_supp_data_first_cb_fn fn1,
+                             cli_supp_data_second_cb_fn fn2, void* arg)
+       {
+       size_t i;
+       cli_supp_data_record* record;
+
+       /* Check for duplicates */
+       for (i=0; i < ctx->cli_supp_data_records_count; i++)
+               if (supp_data_type == ctx->cli_supp_data_records[i].supp_data_type)
+                       return 0;
+
+       ctx->cli_supp_data_records = OPENSSL_realloc(ctx->cli_supp_data_records,
+         (ctx->cli_supp_data_records_count+1) * sizeof(cli_supp_data_record));
+       if (!ctx->cli_supp_data_records)
+               {
+               ctx->cli_supp_data_records_count = 0;
+               return 0;
+               }
+       ctx->cli_supp_data_records_count++;
+       record = &ctx->cli_supp_data_records[ctx->cli_supp_data_records_count - 1];
+       record->supp_data_type = supp_data_type;
+       record->fn1 = fn1;
+       record->fn2 = fn2;
+       record->arg = arg;
+       return 1;
+       }
+
+int SSL_CTX_set_srv_supp_data(SSL_CTX *ctx,
+                             unsigned short supp_data_type,
+                             srv_supp_data_first_cb_fn fn1,
+                             srv_supp_data_second_cb_fn fn2, void* arg)
+       {
+       size_t i;
+       srv_supp_data_record* record;
+
+       /* Check for duplicates */
+       for (i=0; i < ctx->srv_supp_data_records_count; i++)
+               if (supp_data_type == ctx->srv_supp_data_records[i].supp_data_type)
+                       return 0;
+
+       ctx->srv_supp_data_records = OPENSSL_realloc(ctx->srv_supp_data_records,
+         (ctx->srv_supp_data_records_count+1) * sizeof(srv_supp_data_record));
+       if (!ctx->srv_supp_data_records)
+               {
+               ctx->srv_supp_data_records_count = 0;
+               return 0;
+               }
+       ctx->srv_supp_data_records_count++;
+       record = &ctx->srv_supp_data_records[ctx->srv_supp_data_records_count - 1];
+       record->supp_data_type = supp_data_type;
+       record->fn1 = fn1;
+       record->fn2 = fn2;
+       record->arg = arg;
+
+       return 1;
+       }
+
 #endif /* !OPENSSL_NO_TLSEXT */
 
 int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
@@ -2041,6 +2137,10 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
        ret->custom_cli_ext_records_count = 0;
        ret->custom_srv_ext_records = NULL;
        ret->custom_srv_ext_records_count = 0;
+       ret->cli_supp_data_records = NULL;
+       ret->cli_supp_data_records_count = 0;
+       ret->srv_supp_data_records = NULL;
+       ret->srv_supp_data_records_count = 0;
 #ifndef OPENSSL_NO_BUF_FREELISTS
        ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
        ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
@@ -2182,6 +2282,8 @@ void SSL_CTX_free(SSL_CTX *a)
 #ifndef OPENSSL_NO_TLSEXT
        OPENSSL_free(a->custom_cli_ext_records);
        OPENSSL_free(a->custom_srv_ext_records);
+       OPENSSL_free(a->cli_supp_data_records);
+       OPENSSL_free(a->srv_supp_data_records);
 #endif
 #ifndef OPENSSL_NO_ENGINE
        if (a->client_cert_engine)
@@ -2252,14 +2354,17 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
        int rsa_enc_export,dh_rsa_export,dh_dsa_export;
        int rsa_tmp_export,dh_tmp_export,kl;
        unsigned long mask_k,mask_a,emask_k,emask_a;
-       int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
+#ifndef OPENSSL_NO_ECDSA
+       int have_ecc_cert, ecdsa_ok, ecc_pkey_size;
+#endif
 #ifndef OPENSSL_NO_ECDH
-       int have_ecdh_tmp;
+       int have_ecdh_tmp, ecdh_ok;
 #endif
+#ifndef OPENSSL_NO_EC
        X509 *x = NULL;
        EVP_PKEY *ecc_pkey = NULL;
        int signature_nid = 0, pk_nid = 0, md_nid = 0;
-
+#endif
        if (c == NULL) return;
 
        kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
@@ -2272,8 +2377,8 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
        rsa_tmp=rsa_tmp_export=0;
 #endif
 #ifndef OPENSSL_NO_DH
-       dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
-       dh_tmp_export=(c->dh_tmp_cb != NULL ||
+       dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto);
+       dh_tmp_export= !c->dh_tmp_auto && (c->dh_tmp_cb != NULL ||
                (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
 #else
        dh_tmp=dh_tmp_export=0;
@@ -2297,7 +2402,9 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
        dh_dsa=  cpk->valid_flags & CERT_PKEY_VALID;
        dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
        cpk= &(c->pkeys[SSL_PKEY_ECC]);
+#ifndef OPENSSL_NO_EC
        have_ecc_cert= cpk->valid_flags & CERT_PKEY_VALID;
+#endif
        mask_k=0;
        mask_a=0;
        emask_k=0;
@@ -2328,20 +2435,20 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
                emask_k|=SSL_kRSA;
 
 #if 0
-       /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
+       /* The match needs to be both kDHE and aRSA or aDSA, so don't worry */
        if (    (dh_tmp || dh_rsa || dh_dsa) &&
                (rsa_enc || rsa_sign || dsa_sign))
-               mask_k|=SSL_kEDH;
+               mask_k|=SSL_kDHE;
        if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
                (rsa_enc || rsa_sign || dsa_sign))
-               emask_k|=SSL_kEDH;
+               emask_k|=SSL_kDHE;
 #endif
 
        if (dh_tmp_export)
-               emask_k|=SSL_kEDH;
+               emask_k|=SSL_kDHE;
 
        if (dh_tmp)
-               mask_k|=SSL_kEDH;
+               mask_k|=SSL_kDHE;
 
        if (dh_rsa) mask_k|=SSL_kDHr;
        if (dh_rsa_export) emask_k|=SSL_kDHr;
@@ -2377,6 +2484,7 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
        /* An ECC certificate may be usable for ECDH and/or
         * ECDSA cipher suites depending on the key usage extension.
         */
+#ifndef OPENSSL_NO_EC
        if (have_ecc_cert)
                {
                cpk = &c->pkeys[SSL_PKEY_ECC];
@@ -2433,12 +2541,13 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
                        }
 #endif
                }
+#endif
 
 #ifndef OPENSSL_NO_ECDH
        if (have_ecdh_tmp)
                {
-               mask_k|=SSL_kEECDH;
-               emask_k|=SSL_kEECDH;
+               mask_k|=SSL_kECDHE;
+               emask_k|=SSL_kECDHE;
                }
 #endif
 
@@ -2550,6 +2659,8 @@ CERT_PKEY *ssl_get_server_send_pkey(const SSL *s)
        int i;
 
        c = s->cert;
+       if (!s->s3 || !s->s3->tmp.new_cipher)
+               return NULL;
        ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
 
 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
@@ -2612,25 +2723,6 @@ EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
        }
 
 #ifndef OPENSSL_NO_TLSEXT
-unsigned char *ssl_get_authz_data(SSL *s, size_t *authz_length)
-       {
-       CERT *c;
-       int i;
-
-       c = s->cert;
-       i = ssl_get_server_cert_index(s);
-
-       if (i == -1)
-               return NULL;
-
-       *authz_length = 0;
-       if (c->pkeys[i].authz == NULL)
-               return(NULL);
-       *authz_length = c->pkeys[i].authz_length;
-
-       return c->pkeys[i].authz;
-       }
-
 int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
                                   size_t *serverinfo_length)
        {
@@ -2684,6 +2776,11 @@ void ssl_update_cache(SSL *s,int mode)
                }
        }
 
+const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx)
+       {
+       return ctx->method;
+       }
+
 const SSL_METHOD *SSL_get_ssl_method(SSL *s)
        {
        return(s->method);
@@ -3047,7 +3144,6 @@ void ssl_clear_cipher_ctx(SSL *s)
 #endif
        }
 
-/* Fix this function so that it takes an optional type parameter */
 X509 *SSL_get_certificate(const SSL *s)
        {
        if (s->cert != NULL)
@@ -3056,8 +3152,7 @@ X509 *SSL_get_certificate(const SSL *s)
                return(NULL);
        }
 
-/* Fix this function so that it takes an optional type parameter */
-EVP_PKEY *SSL_get_privatekey(SSL *s)
+EVP_PKEY *SSL_get_privatekey(const SSL *s)
        {
        if (s->cert != NULL)
                return(s->cert->key->privatekey);
@@ -3065,6 +3160,22 @@ EVP_PKEY *SSL_get_privatekey(SSL *s)
                return(NULL);
        }
 
+X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx)
+       {
+       if (ctx->cert != NULL)
+               return ctx->cert->key->x509;
+       else
+               return NULL;
+       }
+
+EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx)
+       {
+       if (ctx->cert != NULL)
+               return ctx->cert->key->privatekey;
+       else
+               return NULL ;
+       }
+
 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
        {
        if ((s->session != NULL) && (s->session->cipher != NULL))
@@ -3529,6 +3640,67 @@ int SSL_is_server(SSL *s)
        return s->server;
        }
 
+void SSL_set_security_level(SSL *s, int level)
+       {
+       s->cert->sec_level = level;
+       }
+
+int SSL_get_security_level(const SSL *s)
+       {
+       return s->cert->sec_level;
+       }
+
+void SSL_set_security_callback(SSL *s, int (*cb)(SSL *s, SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex))
+       {
+       s->cert->sec_cb = cb;
+       }
+
+int (*SSL_get_security_callback(const SSL *s))(SSL *s, SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex)
+       {
+       return s->cert->sec_cb;
+       }
+
+void SSL_set0_security_ex_data(SSL *s, void *ex)
+       {
+       s->cert->sec_ex = ex;
+       }
+
+void *SSL_get0_security_ex_data(const SSL *s)
+       {
+       return s->cert->sec_ex;
+       }
+
+void SSL_CTX_set_security_level(SSL_CTX *ctx, int level)
+       {
+       ctx->cert->sec_level = level;
+       }
+
+int SSL_CTX_get_security_level(const SSL_CTX *ctx)
+       {
+       return ctx->cert->sec_level;
+       }
+
+void SSL_CTX_set_security_callback(SSL_CTX *ctx, int (*cb)(SSL *s, SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex))
+       {
+       ctx->cert->sec_cb = cb;
+       }
+
+int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx))(SSL *s, SSL_CTX *ctx, int op, int bits, int nid, void *other, void *ex)
+       {
+       return ctx->cert->sec_cb;
+       }
+
+void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex)
+       {
+       ctx->cert->sec_ex = ex;
+       }
+
+void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx)
+       {
+       return ctx->cert->sec_ex;
+       }
+
+
 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
 #include "../crypto/bio/bss_file.c"
 #endif